How to fix 'Parameter is incorrect 87' issue on Windows

  • Updated

The Parameter is incorrect 87 error shows up when there is a problem with the Windows networking stack as a whole. Here is what it looks like, and a guide, on how to solve it!


To resolve a Parameter error on a Windows device, please apply the following steps:

  1.  Run “Windows Powershell” as an administrator
  2. Copy and paste the following commands into the PowerShell window and press Enter:
    netsh int ip reset netsh int ipv6 reset netsh winsock reset
  3. Restart your computer
  4. Open Windows “Device Manager”
  5. Expand the “Network Adapters” node
  6. Locate the WAN Miniport (IKEv2) item
  7. Right-click on it
  8. Select Uninstall device from the drop-down list


  9. Repeat steps 6-8 with all other WAN Miniport (..) items
  10. Click Action from the menu bar
  11. Select Scan for hardware changes


  12. All deleted WAN Miniport devices should come back
  13. Restart your computer
  14. Try to connect to Atlas VPN
In case these steps are not helpful, reach out to our support team via live chat or email at anytime! 

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